MAX1534ETE+T Maxim Integrated Products, MAX1534ETE+T Datasheet
MAX1534ETE+T
Specifications of MAX1534ETE+T
Related parts for MAX1534ETE+T
MAX1534ETE+T Summary of contents
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... V = +3.3V ALWAYS OUT1 V = +1.8V ALWAYS OUT2 ________________________________________________________________ Maxim Integrated Products For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. o One Switching and Two Linear Regulators o Switching Regulator +4.5V to +24V Input Voltage Range Over 95% Efficiency ...
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High-Efficiency, Triple-Output, Keep-Alive Power Supply for Notebook Computers ABSOLUTE MAXIMUM RATINGS IN, ILIM, PRESET, SHDN to GND...........................-0.3V to +25V FB1, FB2, FB3, LDOIN GND..........................-0.3V to +6V OUT1, OUT2, POK to GND ...................-0. GND.......................................................-2V to ...
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High-Efficiency, Triple-Output, Keep-Alive Power Supply for Notebook Computers ELECTRICAL CHARACTERISTICS (continued) = 12V, ILIM = GND, PRESET = GND, T (Circuit of Figure +25°C.) PARAMETER SYMBOL OUT1 Voltage Accuracy (Preset Mode) OUT2 Voltage Accuracy (Preset Mode) FB1, ...
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High-Efficiency, Triple-Output, Keep-Alive Power Supply for Notebook Computers ELECTRICAL CHARACTERISTICS = 12V, ILIM = GND, PRESET = GND, T (Circuit of Figure PARAMETER SYMBOL Input Voltage Range Input Undervoltage Lockout V Threshold BUCK REGULATOR FB3 Voltage Accuracy ...
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High-Efficiency, Triple-Output, Keep-Alive Power Supply for Notebook Computers ELECTRICAL CHARACTERISTICS (continued) = 12V, ILIM = GND, PRESET = GND, T (Circuit of Figure PARAMETER SYMBOL INPUTS AND OUTPUTS SHDN Input Trip Level PRESET, ILIM Logic Levels Note ...
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High-Efficiency, Triple-Output, Keep-Alive Power Supply for Notebook Computers = +12V, PRESET = GND, T (Circuit of Figure SWITCHING FREQUENCY vs. LOAD CURRENT, CIRCUIT 1, ILIM = IN 200 180 160 V = 20V IN 140 120 100 ...
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High-Efficiency, Triple-Output, Keep-Alive Power Supply for Notebook Computers = +12V, PRESET = GND, T (Circuit of Figure LDO DROPOUT VOLTAGE vs. LOAD CURRENT 100 ...
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High-Efficiency, Triple-Output, Keep-Alive Power Supply for Notebook Computers PIN NAME Shutdown Control Input. Drive SHDN above 1V to start up, and below 0.9V to shut down high impedance in shut down, and supply current reduces to 3.5µA. Connect ...
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High-Efficiency, Triple-Output, Keep-Alive Power Supply for Notebook Computers 100kΩ +3.3V ALWAYS OUT1 V = +1.8V ALWAYS OUT2 2.2µF NOTE: SEE TABLE 1 FOR RECOMMENDED COMPONENT VALUES. SEE TABLE 2 FOR COMPONENT SUPPLIERS. Figure 1. MAX1534 Typical Application Circuit ...
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High-Efficiency, Triple-Output, Keep-Alive Power Supply for Notebook Computers Table 1. Recommended Components Input voltage Max frequency On-time Buck output ILIM connection OUT3 Table 2. Component Suppliers SUPPLIER DIODES Central Semiconductor www.centralsemi.com Fairchild Semiconductor www.fairchildsemi.com General Semiconductor www.gensemi.com ...
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High-Efficiency, Triple-Output, Keep-Alive Power Supply for Notebook Computers 1V BP REF 0.01 µ F GND 1V SHDN POK OUT1 FB1 Figure 2. MAX1534 Functional Block Diagram down, the supply current drops to 3.5µA, maximizing battery life. The internal P-channel MOSFET ...
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High-Efficiency, Triple-Output, Keep-Alive Power Supply for Notebook Computers ous operation, do not exceed the absolute maximum junction temperature rating +150°C. J Operating Region and Power Dissipation The MAX1534’s maximum power dissipation depends on the thermal resistance of ...
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High-Efficiency, Triple-Output, Keep-Alive Power Supply for Notebook Computers 10V 4µs/div V = 12V 300mA IN OUT3 Figure 3. Normal Buck Operation voltage. For optimum performance, select an inductor with the lowest possible DC resistance that ...
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High-Efficiency, Triple-Output, Keep-Alive Power Supply for Notebook Computers input capacitor that exhibits less than +10°C tempera- ture rise at the RMS input current for optimal circuit longevity. The current in the external diode (D1 in Figure 1) changes abruptly from ...
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High-Efficiency, Triple-Output, Keep-Alive Power Supply for Notebook Computers Pin Configuration FB3 PRESET FB2 FB1 SHDN OUT1 POK 2 11 MAX1534 GND 3 10 LDOIN ILIM 4 9 OUT2 ...
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... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. 16 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 2002 Maxim Integrated Products Printed USA is a registered trademark of Maxim Integrated Products ...